int SearObject::load(const std::string &filename) {
bool big_endian = false;
FILE *fp = fopen(filename.c_str(), "rb");
if (fp == 0) {
fprintf(stderr, "[SearObject] Error opening %s for reading\n", filename.c_str());
return 1;
}
SearObjectHeader soh;
if (fread(&soh, sizeof(SearObjectHeader), 1, fp) != 1) {
// Error reading header
fprintf(stderr, "[SearObject] Error reading SearObject header in %s\n", filename.c_str());
fclose(fp);
return 1;
}
// Check Magic
if (strncmp(soh.magic, "SEARSTAT", 8)) {
fprintf(stderr, "[SearObject] Bad magic - unknown file format.\n");
fclose(fp);
return 1;
}
// Check Endianess
// Does this check actually work? Or should we convert into a chars and
// compare char order instead?
if (soh.byte_order == 0x00FF) {
big_endian = true;
printf("[SearObject] Swapping byte order\n");
swap_bytes_uint32_t(soh.num_meshes);
}
// Check Version
if (soh.version != 1) {
fprintf(stderr, "[SearObject] SearObject Version %d is unsupported. Version %d expected.\n", soh.version, 1);
fclose(fp);
return 1;
}
SearObjectMesh som;
TextureID tex_id = NO_TEXTURE_ID;
TextureID tex_mask_id = NO_TEXTURE_ID;
uint32_t *uptr;
float *fptr;
int c,x,y;
for (uint32_t i = 0; i < soh.num_meshes; ++i) {
if (fread(&som, sizeof(SearObjectMesh), 1, fp) != 1) {
fprintf(stderr, "[SearObject] Error reading SearObject Mesh in %s\n", filename.c_str());
fclose(fp);
return 1;
}
if (big_endian) {
swap_bytes_uint32_t(som.num_vertices);
swap_bytes_uint32_t(som.num_faces);
for (x = 0; x < 4; ++x) {
for (y = 0; y < 4; ++y) {
swap_bytes_float(som.mesh_transform[x][y]);
swap_bytes_float(som.texture_transform[x][y]);
}
}
for (x = 0; x < 4; ++x) {
swap_bytes_float(som.ambient[x]);
swap_bytes_float(som.diffuse[x]);
swap_bytes_float(som.specular[x]);
swap_bytes_float(som.emissive[x]);
}
swap_bytes_float(som.shininess);
}
StaticObject* so = new StaticObject();
so->init();
so->setNumPoints(som.num_vertices);
so->setNumFaces(som.num_faces);
// Does this use all 256 chars, or only up to 256?
som.texture_map[255] = '\0'; // Make sure the string is null-terminated
std::string tex_name(som.texture_map);
// See if config file has a mapping
m_config.clean(tex_name);
if (m_config.findItem(tex_name, KEY_texture_map_0)) {
tex_name = (std::string)m_config.getItem(tex_name, KEY_texture_map_0);
}
// Get texture ids
tex_id = RenderSystem::getInstance().requestTexture(tex_name);
tex_mask_id = RenderSystem::getInstance().requestTexture(tex_name, true);
so->setTexture(0, tex_id, tex_mask_id);
// Set transform matrices
so->getMatrix().setMatrix(som.mesh_transform);
so->getTexMatrix().setMatrix(som.texture_transform);
// Set Materials
so->setAmbient(som.ambient);
so->setDiffuse(som.diffuse);
so->setSpecular(som.specular);
so->setEmission(som.emissive);
so->setShininess(som.shininess);
// Read in the vertex data array
so->createVertexData(som.num_vertices * 3);
fread(so->getVertexDataPtr(), sizeof(float), som.num_vertices * 3, fp);
if (big_endian) {
fptr = so->getVertexDataPtr();
c = som.num_vertices * 3;
while (c--) swap_bytes_float(*fptr++);
}
so->createNormalData(som.num_vertices * 3);
fread(so->getNormalDataPtr(), sizeof(float), som.num_vertices * 3, fp);
if (big_endian) {
fptr = so->getNormalDataPtr();
c = som.num_vertices * 3;
while (c--) swap_bytes_float(*fptr++);
}
so->createTextureData(som.num_vertices * 2);
fread(so->getTextureDataPtr(), sizeof(float), som.num_vertices * 2, fp);
if (big_endian) {
fptr = so->getTextureDataPtr();
c = som.num_vertices * 2;
while (c--) swap_bytes_float(*fptr++);
}
if (som.num_faces > 0) {
so->createIndices(som.num_faces * 3);
fread(so->getIndicesPtr(), sizeof(uint32_t), som.num_faces * 3, fp);
if (big_endian) {
uptr = (uint32_t*)so->getIndicesPtr();
c = som.num_faces * 3;
while (c--) swap_bytes_uint32_t(*uptr++);
}
}
m_static_objects.push_back(so);
}
fclose(fp);
return 0;
}
int LibModelFile::init(const std::string &filename) {
assert(m_initialised == false);
std::string object;
if (m_config.readFromFile(filename)) {
if (m_config.findItem(SECTION_model, KEY_filename)) {
object = (std::string)m_config.getItem(SECTION_model, KEY_filename);
} else {
fprintf(stderr, "[LibModelFile] Error: No md3 filename specified.\n");
return 1;
}
} else {
fprintf(stderr, "[LibModelFile] Error reading %s as varconf file. Trying as .md3 file.\n",
filename.c_str());
object = filename;
}
// Initialise transform matrix
float matrix[4][4];
for (int j = 0; j < 4; ++j) {
for (int i = 0; i < 4; ++i) {
if (i == j) matrix[j][i] = 1.0f;
else matrix[j][i] = 0.0f;
}
}
if (m_config.findItem(SECTION_model, KEY_rotation)) {
const std::string &str=(std::string)m_config.getItem(SECTION_model, KEY_rotation);
float w,x,y,z;
sscanf(str.c_str(), "%f;%f;%f;%f", &w, &x, &y, &z);
WFMath::Quaternion q(w,x,y,z);
QuatToMatrix(q, matrix);
}
if (m_config.findItem(SECTION_model, KEY_scale)) {
double s = (double)m_config.getItem(SECTION_model, KEY_scale);
for (int i = 0; i < 4; ++i) matrix[i][i] *= s;
}
System::instance()->getFileHandler()->getFilePath(object);
// Load md3 file
// if (debug) printf("[LibModelFile] Loading: %s\n", object.c_str());
libmd3_file *modelFile = libmd3_file_load(object.c_str());
if (!modelFile) {
fprintf(stderr, "[LibModelFile] Error loading %s file\n", object.c_str());
return 1;
}
for (int i = 0; i < modelFile->header->mesh_count; ++i) {
libmd3_unpack_normals(&modelFile->meshes[i]);
}
// Get mesh data
libmd3_mesh *meshp = modelFile->meshes;
for (int i = 0; i < modelFile->header->mesh_count; ++i, ++meshp) {
StaticObject* so = new StaticObject();
so->init();
// Get Texture data from Mesh
int texture_id = NO_TEXTURE_ID;
int texture_mask_id = NO_TEXTURE_ID;
if (meshp->mesh_header->skin_count != 0) {
std::string name = (const char*)(meshp->skins[0].name);
m_config.clean(name);
// Check for texture name overrides in vconf file
// Backwards compatibility.
if (m_config.findItem(name, KEY_filename)) {
name = (std::string)m_config.getItem(name, KEY_filename);
}
// Check for texture name overrides in vconf file
// New method
if (m_config.findItem(name, KEY_texture_map_0)) {
name = (std::string)m_config.getItem(name, KEY_texture_map_0);
}
// Request Texture ID
texture_id = RenderSystem::getInstance().requestTexture(name);
texture_mask_id = RenderSystem::getInstance().requestTexture(name, true);
float m[4];
if (m_config.findItem(name, KEY_ambient)) {
const std::string &str = (std::string)m_config.getItem(name, KEY_ambient);
sscanf(str.c_str(), "%f;%f;%f;%f", &m[0], &m[1], &m[2], &m[3]);
so->setAmbient(m);
}
if (m_config.findItem(name, KEY_diffuse)) {
const std::string &str = (std::string)m_config.getItem(name, KEY_diffuse);
sscanf(str.c_str(), "%f;%f;%f;%f", &m[0], &m[1], &m[2], &m[3]);
so->setDiffuse(m);
}
if (m_config.findItem(name, KEY_specular)) {
const std::string &str = (std::string)m_config.getItem(name, KEY_specular);
sscanf(str.c_str(), "%f;%f;%f;%f", &m[0], &m[1], &m[2], &m[3]);
so->setSpecular(m);
}
if (m_config.findItem(name, KEY_emission)) {
const std::string &str = (std::string)m_config.getItem(name, KEY_emission);
sscanf(str.c_str(), "%f;%f;%f;%f", &m[0], &m[1], &m[2], &m[3]);
so->setEmission(m);
}
if (m_config.findItem(name, KEY_shininess)) {
so->setShininess((double)m_config.getItem(name, KEY_shininess));
}
}
// Set the transform
so->getMatrix().setMatrix(matrix);
// Set the textures
so->setTexture(0, texture_id, texture_mask_id);
so->setNumPoints(meshp->mesh_header->vertex_count);
so->setNumFaces(meshp->mesh_header->triangle_count);
// Copy data into array.
so->createVertexData(meshp->mesh_header->vertex_count * 3);
float *ptr = so->getVertexDataPtr();
for (int i = 0; i < meshp->mesh_header->vertex_count * 3; ++i) {
ptr[i] = default_scale * (float)meshp->vertices[i];
}
so->copyTextureData(meshp->texcoords, meshp->mesh_header->vertex_count * 2);
so->copyNormalData(meshp->normals, meshp->mesh_header->vertex_count * 3);
so->copyIndices(meshp->triangles, meshp->mesh_header->triangle_count * 3);
m_static_objects.push_back(so);
}
libmd3_file_free(modelFile);
bool ignore_minus_z = false;
Scaling scale = SCALE_NONE;
Alignment align = ALIGN_NONE;
bool process_model = false;
if (m_config.findItem(SECTION_model, KEY_ignore_minus_z)) {
if ((bool)m_config.getItem(SECTION_model, KEY_ignore_minus_z)) {
process_model = true;
ignore_minus_z = true;
}
}
if (m_config.findItem(SECTION_model, KEY_z_align)) {
if ((bool)m_config.getItem(SECTION_model, KEY_z_align)) {
process_model = true;
align = ALIGN_Z;
}
}
if (m_config.findItem(SECTION_model, KEY_scale_isotropic)) {
if ((bool)m_config.getItem(SECTION_model, KEY_scale_isotropic)) {
process_model = true;
scale = SCALE_ISOTROPIC;
}
}
else if (m_config.findItem(SECTION_model, KEY_scale_isotropic_x)) {
if ((bool)m_config.getItem(SECTION_model, KEY_scale_isotropic_x)) {
process_model = true;
scale = SCALE_ISOTROPIC_Z;
}
}
else if (m_config.findItem(SECTION_model, KEY_scale_isotropic_y)) {
if ((bool)m_config.getItem(SECTION_model, KEY_scale_isotropic_y)) {
process_model = true;
scale = SCALE_ISOTROPIC_Y;
}
}
else if (m_config.findItem(SECTION_model, KEY_scale_isotropic_z)) {
if ((bool)m_config.getItem(SECTION_model, KEY_scale_isotropic_z)) {
process_model = true;
scale = SCALE_ISOTROPIC_Z;
}
}
if (m_config.findItem(SECTION_model, KEY_scale_anisotropic)) {
if ((bool)m_config.getItem(SECTION_model, KEY_scale_anisotropic)) {
process_model = true;
scale = SCALE_ANISOTROPIC;
}
}
if (process_model == true) {
scale_object(m_static_objects, scale, align, ignore_minus_z);
}
contextCreated();
m_initialised = true;
return 0;
}
